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Edit by Grégoire Saunier

Edit approved by Grégoire Saunier

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+[title] PSU wiring - MK3(S)
[* 11] Direct links to the original Prusa electronic assembly guides: [https://help.prusa3d.com/en/guide/8-electronics-assembly-b3-r2-design_73648|MK3 (B3/R2 design)], [https://help.prusa3d.com/en/guide/8-electronics-assembly-b7-r3-design_75136|MK3 (B7/R3 design)], [https://help.prusa3d.com/en/guide/8-electronics-assembly_34416|MK3S].
[* 5] Using a Philips screwdriver, connect the 1st pair of wires from the PSU:
[* 2] Positive red wire goes on the red circle
[* 1] Negative black wire goes on the black circle
[* 5] Tighten the screws ***firmly***.
[* 9] Double check you have connected the wires in the correct order and orientation.